4 inch x 90-Degree 12 Gauge Tube

Features:

• 4-inch outer diameter for universal applications
• 90-degree bend with a 6-inch centerline radius
• Crafted from durable 6061 aluminum alloy
• CNC mandrel bent for precision and smooth airflow
• 12-gauge (.080 inch) wall thickness for added strength
• Ideal for custom intercooler or intake fabrication
• Enhances airflow and reduces turbulence
• Lightweight material improves vehicle performance
• Corrosion-resistant for long-term durability
• Polished aluminum finish for a professional appearance
• Suitable for high-performance automotive builds
• Ready for welding, cutting, and custom modifications

Turn Your Ideas into Airflow Master Pieces

When you're working on a custom build, you need parts that make the job easier, not harder — and that’s exactly what the PPE 4-inch 90-Degree Aluminum Tube brings to the table. Whether you’re piecing together an intercooler system, building a custom intake, or crafting a one-off masterpiece, this tube gives you the flexibility and strength to make it happen. The smooth, CNC-mandrel bends mean better airflow and easier routing through tight spaces, so you spend less time fighting with fitment and more time getting real results. Plus, its durable 6061 aluminum construction and polished finish mean it looks just as good as it performs. It's lightweight enough to keep your setup nimble, yet rugged enough to hold up under serious pressure and heat. No compromises, no shortcuts, just a part that lets your skills and vision shine. If you're ready to take your fabrication game to the next level, PPE has you covered.

Engineered Curves That Move More Than Air

The PPE 575400090 Aluminum Tube is engineered for fabricators and builders who demand precision, strength, and versatility. With a 4-inch outer diameter, a true 90-degree bend, and a 6-inch centerline radius, this tubing is CNC mandrel-bent to maintain consistent wall thickness and smooth internal surfaces for optimized airflow. Constructed from high-grade 6061 aluminum, it offers excellent strength-to-weight balance, making it ideal for performance applications like custom intercooler piping, intake systems, and even lightweight exhaust routing. The 12-gauge (.080-inch) wall thickness enhances durability, ensuring the tubing can handle high-boost, high-heat environments without compromising performance. Corrosion resistance and a polished exterior finish help ensure the tubing maintains both structural integrity and clean appearance over time. The precision bends simplify installation and reduce the need for excessive welding or cutting during mock-ups. Built to handle serious power and custom fabrication demands, this PPE tube is the professional's choice for building right the first time.

Fits: Universal

Notes:

• 4-inch outer diameter for versatile custom fabrication
• 90-degree bend with a 6-inch centerline radius
• CNC precision mandrel bent for smooth airflow
• Made from strong, lightweight 6061 aluminum alloy
• 12-gauge (.080-inch) wall thickness for added durability
• Polished aluminum finish for a clean, professional look
• Ideal for custom intercooler, intake, or exhaust fabrication
• Lightweight material reduces overall vehicle weight
• Corrosion-resistant for long-term performance
• Some welding, trimming, or modification may be required
• Designed for professional fabricators and serious DIY builders
• Always confirm measurements and fitment before modifying